Finding the Fourth Proportional to 136,024,178.08, 187,710,564.24 and 74,143,979.68
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Solution
The fourth proportional to 136,024,178.08, 187,710,564.24 and 74,143,979.68 is: 102,317,164.91
Step by Step Solution
- Step 1: Write the proportion equation
136,024,178.08 : 187,710,564.24 = 74,143,979.68 : x - Step 2: Convert to fraction form
136,024,178.08/187,710,564.24 = 74,143,979.68/x - Step 3: Cross multiply
136,024,178.08x = 187,710,564.24 × 74,143,979.68 - Step 4: Simplify right side
136,024,178.08x = 13,917,608,260,731,896 - Step 5: Solve for x
x = 13,917,608,260,731,896/136,024,178.08 - Step 6: Final answer
x = 102,317,164.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.